ex14.c

#include <stdio.h>
#include <ctype.h>

int  can_print_it(char ch);
void print_letters(char arg[]);

void print_arguments(int argc, char* argv[])
{
	int i = 0;
	for( i = 0; i < argc; i++) {
		print_letters(argv[i]);}
}

void print_letters(char arg[])
{
	int i = 0;
	for(i = 0; arg[i] != '\0'; i++) {
		char ch = arg[i];
	
		if( can_print_it(ch)) {
		printf("'%c'== %d ",ch,ch);}
	}
	printf("\n");
}

int can_print_it(char ch)
{
	return isalpha(ch) || isblank(ch);
}

int main(int argc, char* argv[])
{
	print_arguments(argc,argv);
	return 0;
}